119 lines
4.7 KiB
Plaintext
119 lines
4.7 KiB
Plaintext
# https://nim-lang.org/
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#
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*\.nim(s|ble)? %{
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set-option buffer filetype nim
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}
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=nim %{
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require-module nim
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set-option window static_words %opt{nim_static_words}
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hook window InsertChar \n -group nim-indent nim-indent-on-new-line
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# cleanup trailing whitespaces on current line insert end
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hook window ModeChange insert:.* -group nim-trim-indent %{ try %{ exec -draft \; <a-x> s ^\h+$ <ret> d } }
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hook -once -always window WinSetOption filetype=.* %{ remove-hooks window nim-.+ }
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}
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hook -group nim-highlight global WinSetOption filetype=nim %{
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add-highlighter window/nim ref nim
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hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/nim }
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}
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provide-module nim %{
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter shared/nim regions
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add-highlighter shared/nim/code default-region group
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add-highlighter shared/nim/triple_string region '([A-Za-z](_?\w)*)?"""' '"""(?!")' fill string
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add-highlighter shared/nim/raw_string region [A-Za-z](_?[A-Za-z])*" (?<!")"(?!") fill string
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add-highlighter shared/nim/string region (?<!'\\)"(?!') (?<!\\)(\\\\)*" fill string
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add-highlighter shared/nim/comment region '#?#\[' '\]##?' fill comment
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evaluate-commands %sh{
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# Grammar
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opchars='[=+-/<>@$~&%|!?^.:\\*]'
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opnocol='[=+-/<>@$~&%|!?^.\\*]'
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suffix="('[iIuU](8|16|32|64)|'[fF](32|64)?|'[dDuU]|[fF])?"
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floatsuffix="('[fF](32|64)?|'[dD]|[fF])?"
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hexdigit='[0-9a-fA-F]'
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octdigit='[0-7]'
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bindigit='[01]'
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hexlit="0[xX]${hexdigit}(_?${hexdigit})*"
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declit="\d(_?\d)*"
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octlit="0o${octdigit}(_?${octdigit})*"
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binlit="0[bB]${bindigit}(_?${bindigit})*"
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intlit="\b(${declit}|${hexlit}|${octlit}|${binlit})${suffix}\b"
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exponent="([eE][+-]?${declit})"
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floatlit="\b${declit}(\.${declit}${exponent}?|${exponent})${floatsuffix}\b"
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keywords="addr as asm bind block break case cast concept const continue
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converter defer discard distinct do elif else end enum except export
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finally for from func if import include interface iterator let macro
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method mixin nil out proc ptr raise ref return static template try type
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unsafeAddr using var when while yield with without atomic generic"
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operators="or xor and is isnot in notin of div mod shl shr not"
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types="int int8 int16 int32 int64 uint uint8 uint16 uint32 uint64 float
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float32 float64 bool char object seq array cstring string tuple varargs
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typedesc pointer byte set typed untyped void auto"
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values="false true"
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join() { sep=$2; set -- $1; IFS="$sep"; echo "$*"; }
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static_words="$(join "${keywords} ${types} ${operator} ${values}" ' ')"
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# Add the language's grammar to the static completion list
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printf %s\\n "declare-option str-list nim_static_words ${static_words}"
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keywords="$(join "${keywords}" '|')"
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operators="$(join "${operators}" '|')"
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types="$(join "${types}" '|')"
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values="$(join "${values}" '|')"
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# Highlight keywords
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printf %s "
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add-highlighter shared/nim/code/ regex ${opchars}+ 0:operator
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add-highlighter shared/nim/code/ regex (?<!${opchars}):{1,2}(?!${opchars}) 0:meta
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add-highlighter shared/nim/code/ regex :${opnocol}${opchars}* 0:operator
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add-highlighter shared/nim/code/ regex (?<!${opchars})(\*)(:)(?!${opchars}) 1:operator 2:meta
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add-highlighter shared/nim/code/ regex \b(${keywords})\b 0:keyword
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add-highlighter shared/nim/code/ regex \b(${operators})\b 0:operator
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add-highlighter shared/nim/code/ regex \b(${types})\b 0:type
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add-highlighter shared/nim/code/ regex \b(${values})\b 0:value
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add-highlighter shared/nim/code/ regex ${intlit} 0:value
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add-highlighter shared/nim/code/ regex ${floatlit} 0:value
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"
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}
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add-highlighter shared/nim/code/ regex '(,|;|`|\(\.?|\.?\)|\[[.:]?|\.?\]|\{\.?|\.?\})' 0:meta
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add-highlighter shared/nim/code/ regex '#[^\n]+' 0:comment
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add-highlighter shared/nim/code/ regex %{'(\\([rcnlftvabe\\"']|0*[12]?\d?\d|x[0-9a-fA-F]{2})|[^'\n])'} 0:string
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# Commands
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# ‾‾‾‾‾‾‾‾
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def -hidden nim-indent-on-new-line %{
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eval -draft -itersel %{
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# copy '#' comment prefix and following white spaces
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try %{ exec -draft k <a-x> s ^\h*#\h* <ret> y jgh P }
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# preserve previous line indent
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try %{ exec -draft \; K <a-&> }
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# cleanup trailing whitespaces from previous line
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try %{ exec -draft k <a-x> s \h+$ <ret> d }
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# indent after line ending with enum, tuple, object, type, import, export, const, let, var, ':' or '='
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try %{ exec -draft <space> k x <a-k> (:|=|enum|tuple|object|const|let|var|import|export|type)$ <ret> j <a-gt> }
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}
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}
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}
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